Soil ProfileMost of the region lays on a granitic structure, with the exception of two narrow strips that cross it from NW-SE, one of Silurian with carboniferous and gravestone structures and another one of archaic shiest.

WeatherThe region's climate is greatly influenced by the orographic characteristics and the fluvial network. Regarding the terrain, the region has a rather irregular topography, characterized by a compact valley's system combined with the fluvial network, developing from the seaside to the inland.